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Solar flares from active region 2855
C15
M6
X0
LargestM2.81980-12-29
Span5 days
Flares by day
1
1
2
5
12
All flares
| Date | Begin | Peak | Min | Class | Location | Region |
|---|---|---|---|---|---|---|
| 1980-12-25 | 13:54 | 13:59 | 28 | C2.3 | S22E38 | 2855 |
| 1980-12-26 | 06:24 | 06:25 | 9 | C2.1 | S25E28 | 2855 |
| 1980-12-27 | 05:43 | 05:48 | 21 | C2.0 | S20E22 | 2855 |
| 1980-12-27 | 10:03 | 10:18 | 31 | M1.5 | – | 2855 |
| 1980-12-28 | 11:27 | 11:32 | 9 | C3.3 | – | 2855 |
| 1980-12-28 | 19:05 | 19:08 | 24 | M1.9 | S22W04 | 2855 |
| 1980-12-28 | 21:22 | 21:37 | 27 | C3.6 | S22W06 | 2855 |
| 1980-12-28 | 23:06 | 23:12 | 11 | C2.7 | S24W04 | 2855 |
| 1980-12-28 | 23:42 | 23:42 | 55 | C5.1 | S23W08 | 2855 |
| 1980-12-29 | 01:50 | 01:56 | 9 | C3.1 | S21W06 | 2855 |
| 1980-12-29 | 03:23 | 03:26 | 21 | C3.5 | S24W06 | 2855 |
| 1980-12-29 | 04:22 | 04:26 | 19 | C5.7 | S23W10 | 2855 |
| 1980-12-29 | 06:00 | 06:00 | 16 | C3.5 | S22W11 | 2855 |
| 1980-12-29 | 07:22 | 07:26 | 11 | C3.1 | S24W12 | 2855 |
| 1980-12-29 | 08:51 | 08:57 | 33 | C5.6 | S23W12 | 2855 |
| 1980-12-29 | 11:22 | 11:30 | 16 | M1.1 | – | 2855 |
| 1980-12-29 | 12:38 | 13:17 | 40 | M2.8 | S22W15 | 2855 |
| 1980-12-29 | 13:22 | 13:22 | 12 | M1.4 | – | 2855 |
| 1980-12-29 | 14:23 | 14:33 | 54 | M1.4 | S23W16 | 2855 |
| 1980-12-29 | 16:17 | 16:19 | 9 | C7.4 | S22W18 | 2855 |
| 1980-12-29 | 20:29 | 20:33 | 5 | C2.9 | S24W20 | 2855 |
All times UTC. Until June 2017 classes are NOAA's reports of the time (GOES-15 and earlier included a 0.7 scaling factor); later classes come from calibrated GOES-16/18 data, so the same flare reads about 1.4× larger. Do not compare the two periods directly.
About this page
NOAA active region 2855 produced 21 C+ flares between 1980-12-25 and 1980-12-29.